#pragma once
#include <iostream>

class AbstractProductA
{
public:
	virtual~AbstractProductA(){}
	virtual std::string ProductA()const = 0;
};

class ProductA1:public AbstractProductA {
public:
	std::string ProductA()const override;
};

class ProductA2 :public AbstractProductA {
public:
	std::string ProductA()const override;
};